Window glass guide



Dec. 21, 1937.

D. C. BAILEY WINDOW GLASS GUIDE} Filed March 9, 1957 25 type above referred to, which will be more rigid, form.

I to drawing in which:

Patented Dec. 21, l9I' 37 Q UNITED STATES PATENT OFFICE wnvnow cuss GUIDE David C. Bailey, Amesbury, Mass. Application March 9,1931, Serial No. 129,836

e'cl'clms. (cl. ass-44.5)

This invention relates to window glass guides, covering cut away, and illustrating -the eifect of or channels which are designed for use in autobending the core. mobile bodies and more particularly to that type Fig. 4 is a perspective view of a modified form of channel which is adapted to be bent at the of core.

5 time of installation, to conform to the various Fig. 5 is a side elevation thereof showing the 5 curvatures of the window frames. formation when bent.

Prior to my invention channels of this type, Fig. 6 is a sectional view at line 6-6 of Fig. 4. which have been extensively used, have had Figs. 7 and 8 are detail views of another modinotches or slots formed therein, to permit bendfled form of core, shown in flat form before bend- 10 ing to conform to the various curvatures, said ing and in side elevation after bending into channotches or slots being formedjin the sides or in nel form. both the sides and bottom of the channel. The While several different embodiments of my ineifect of these openings is to weaken the sides so vention may be produced three primary embodithat they are liable to be crushed in. Also,.when ments thereof are hereinafter described, in the r the channel bottoms are slotted, the securing construction of which Substantially the Same means therefor often becomes ineffective, as the process is employed, which, briefly outlined, conheads of the fasteners are liable to pass through sists in pr v n a rip of thin he t me a f the slots, so that the channels are not securely suitable width, in which transverse corrugations held in position. Also, on account of the instabilare formed, as hereinafter described, providing a ity of the sides it is necessary to provide retaincovering strip of thin cloth, to the edges of which 20 mg means for both sides, or to have the channel narrow strips of cushioning material, as mohair, set into a correspondingly deep groove. are stitched, coating the metal strip with an ad- The objects of "my present invention are to hesive and placing it in position on the covering provide 'a form of channel body or core of the p d en bending the strips into channel 26 'and less liable to distortion and crushing in of the In the d aw One Of Said embodiments i8 sides than the slotted types of channels, which lustrated in Figs. 1, 2 a and mpr s s a re have previously been employed, so that retaining a of thin sheet metal, in which 'a series of transstrips need not necessarily be employed-and. in verse corrugations b are formed, which extend 30 which the core will be of continuous sheet metal, entirely a r h sides nd t om h r f fr m so so that bolts or screws, which may be employed ed e to ed e an n p rpe r t to t in attaching the channels to the casing will hold edges. While the particular form of corrugations the same securely in position. which are employed are not essential to my in- I accomplish these objects by providing a core vention, I haveascertainedfrom a large number of continuous sheet metal, which, while it is in of experiments that some forms o corru at ons 35 i flat strip form, is provided with transverse corrumuch p h e to Others. For example, for gations, so arranged, that after the strip has been a. erta age m t a height of side. t bent into channel form and covered with cushsemi-circularly, reversely curved. yp Shown in ioning material, the channel thus produced may Figs. 2 and 3 have been found preferable to deep,

40 be bent, either in plane of its sides or the plane Sharp angled orru ati ns, t0 corrugations 40 of its bottom, to conform to various curvatures of w h a e SO fi t t y do not Provide 811mthe casings in which it is likely to be installed, cient space to ,permit compression. as with-either; thereby causing some of the corrugations to be. of the two latter forms the sides are liable to either slightly collapsed, or expanded according buckle when the channel is bent.

to location-and the strain which is placed thereon, Whe the c re is orru ated as sh w n F at 45 r as 'will be hereinafter more fully explained. 2 and the channel is bent in the plane of its For a more complete disclosureof my invensides, the bottom portion between the corrud tion, reference is now made to the following specitions will be bent and there will be no apparent flcation, in connection with the accompanying change in the sides of the corrugations at this 4 I point, but the sides of the corrugations in the Fig. 1 is across sectional view of one embodisides of the channel will be pressed together to a merit of my invention on a greatly enlarged scale. an increasing. extent from the bottom to the Fig. 2 is a perspectiveview of a'section of the edges of the sides, so that they assume a tapering core which is employed therein. formation, as indicated in Fig. 3, and when the Fig. 3 is a side elevation with a portion of the channel is bent thru approximately the sides 5 of the corrugations will be crowded close together at the edges of the channel.

Under some conditions it is also necessary to causing any substantial change in cross section.

The action on the corrugations, when the channel is bent in this manner, is substantially as follows.

The corrugations in the bottom 01' the channel will be compressed so that they taper from the side of longer radiusto the side of shorter radius,

and the corrugations in the side of longer radius will be expanded while those in the side of shorter radius will be compressed.

In the form of core a, shown in Figs. 4, 5 and 6 the corrugations b' are extended across the bottom and sides and are terminated at a short distance from the edges of the strip, leaving the edge portions of the sides uncorrugated. Each edge portion is then bent about a reinforcing wire I, headed edges 9' being thereby formed.

The core will be covered with cushioning material in the same manner as that already described with reference to Figs. 1 to 3.

When the channel thus produced is bent, a bending action will take place at the beaded edges and the bottom portion of the channel will be expanded or stretched, causing the corrugations to be somewhat flattened, and this action will be extended into the sides to a decreasing extent, no change in length taking place at the beaded edges, as illustrated in Fig. 5.

The formation and spacin'g'qf the corrugations in this form may also be varied from that shown without substantial eflect on the bending operation and without departing from my invention. In Figs. 7 and 8 a third form of my invention is illustrated, in which corrugations b", similar to those shown in Fig. 2, are formed in each side portion and the bottom portion, but are not extended across the portions connecting the sides.

' this form of core is bent either in the plane ofthe sides, or of the bottom, the action on the corrugations is similar to that already described with reference to the form shown in Figs. 1, 2 and 3. I claim: 1 1. A bendable window glass guide comprising a channel shaped core of continuous flexible sheet metal having corrugations formed therein and extending transversely of the bottom and sides thereof and adapted for compression or expansion according to the stresses placed thereon when the channel is bent, and a cushion for the glass within said core.

2. A bendable window glass guide comprising a channel shaped core of continuous flexible 'sheet metal having corrugations formed therein extending transversely ,of the bottom and sides thereof and terminating at the edges of its sides, said corrugations being adapted for compression or expansion according to the stresses placed thereon when the channel is bent, and a cushion for the glass within said core.

3. A laterally and longitudinally bendable window glass guide comprising a channel shaped core of continuous flexible sheet metal having semi-circularly and reversely curved corrugations formed therein and extending transversely of the bottom and sides thereof, said corrugations being channel is bent.

5. A window glass guide comprising a channel shaped core consisting of a continuous strip'of flexible sheet'metal, both edge portions of which are bent reversely to form beaded edges and having transverse corrugations formed therein extending from points closely adjacent the bead at one edge to the bead at the opposite edge.

6. A window glass guide comprising a channel shaped core consisting of a strip of flexible sheet metal having a reinforcing wire enclosed by the edge portions of its sides and having corrugations formed therein which extend transversely of the sides and bottom and terminate at said edge portions. 7

DAVID C. BAILEY. 

